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Actinia

Actinia

9.9
A brightly colored sea animal like a flower that attaches to rocks in shallow coastal pools
  • noun
  • /ækˈtɪniə/
  • Specialized
: Actinia
  • The vibrant coloration of Actinia makes it a popular subject for underwater photography.

Examples

  • The Actinia attached itself firmly to the rock as the tide receded.

  • Many Actinias can be found in tide pools.

  • Marine biologists often study Actinia to learn about tidal zone ecosystems.

  • The Actinia is known for its vibrant colors.

  • Marine biologists often study Actinia to learn about tidal zone ecosystems.

  • The Actinia attached itself firmly to the rock as the tide receded.

  • The vibrant coloration of Actinia makes it a popular subject for underwater photography.

Surface Forms

Actinia singular
Actinias plural

Etymology

Actinia comes from the Greek root aktis, which means 'ray'. A helpful image is that these sea anemones have many tentacles spreading out like rays from a center, so the name fits their bright, ray-like shape.